(19)

(11)

EP 1 326 946 A1

(12)

(43) Date of publication: 16.07.2003 Bulletin 2003/29 (21) Application number: 01971078.9 (22) Date of filing: 14.09.2001

(51) International Patent Classification (IPC)7: C10G 45/00, C10G 45/02, C10G 45/04, C10G 45/06, C10G 45/08 (86) International application number: PCT/US0128/933 (87) International publication number: WO 0202/8988 (11.04.2002 Gazette 2002/15)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 29.09.2000 US 676875 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)

(72) Inventors: COOK, Bruce, Randall Stewartsville, NJ 08886 (US) WELCH, Robert, Charles, William Baton Rouge, LA 70808-5122 (US) ERNST, Richard, Harry Glen Gardner, NJ 08826-3520 (US) WINTER, William, Edward, Jr. Baton Rouge, LA 70816 (US) DEMMIN, Richard, Alan Highland Park, NJ 08904 (US) EUKER, Charles, Alfred, Jr. Baton Rouge, LA 70820 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)